public class lanhan {
    public static class LazySimpleSingleton {
        private LazySimpleSingleton() {
        }

        private static LazySimpleSingleton lazy = null;

        public static LazySimpleSingleton getInstance() {
            if (lazy == null) {
                lazy = new LazySimpleSingleton();
            }
            return lazy;
        }
    }

}
